Question 1

What is a UUID?

Accepted Answer

UUID stands for Universally Unique Identifier. It is a 128-bit label used for information in computer systems.

Question 2

What is the difference between v1 and v4?

Accepted Answer

Version 1 is generated from a MAC address and the current time, whereas Version 4 is generated from completely random numbers.

Question 3

Are these UUIDs generated securely?

Accepted Answer

Yes, v4 UUIDs are generated using cryptographic random number generators natively in your browser.

UUID Generator

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